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Streamflow Measurements for the Nation

! Streamflow measurement pages will be decommissioned in early 2026. Please find the modernized pages in WDFN that suit you best. Learn more about our modernization plans and timeline and new pages.

USGS 483429114190001 Big Creek below Hallowat Creek, near Olney, MT
Flathead County, Montana
Hydrologic Unit Code 17010206
Latitude  48°34'29.38", Longitude 114°18'59.76" NAD83
Gage datum 3,913 feet above NAVD88
Output formats
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Meas.
Number		   Date       Time Time
Datum		 Measurement
Used?		   Who Measuring
Agency		 Stream
flow
(ft3/s)		 Gage
Height
(ft)		 GH
Change
(ft)		 Meas.
Duration
(hr)		 Meas.
Rated		   Control Flow
Adjust.
Code 		 Channel
Number		 Channel
Name		 Meas.
type 		 Stream
flow
method 		 Velocity
method 		 Channel
flow
(ft3/s)		 Channel
width
(ft)		 Channel
area
(ft2)		 Channel
vel.
(ft/s)		 Channel
stability 		 Channel
material 		 Channel
evenness 		 Long.
vel.
desc. 		 Horz.
vel.
desc. 		 Vert.
vel.
desc. 		 Channel
loc.
code 		 Channel
loc.
dist.(ft)
E112023-07-31 15:20MDTNo
E102022-08-30 14:05MDTNo
E92022-08-08 11:27:30MDTNo
E82021-08-12 14:17MDTNo
E72018-09-20 16:49MDTNo
E62018-08-27 13:45:30MDTNo
E52017-09-28 13:36MDTNo
E42017-09-20 10:52:30MDTNo
E32017-09-11 10:36MDTNo
E22017-08-28 11:57:30MDTNo
E12017-08-15 15:40:30MDTNo